tree-wide: fix assorted typos all over the place

That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/media/dvb/dvb-usb/usb-urb.c b/drivers/media/dvb/dvb-usb/usb-urb.c
index 9da2cc9..f9702e3 100644
--- a/drivers/media/dvb/dvb-usb/usb-urb.c
+++ b/drivers/media/dvb/dvb-usb/usb-urb.c
@@ -56,7 +56,7 @@
 				stream->complete(stream, b, urb->actual_length);
 			break;
 		default:
-			err("unkown endpoint type in completition handler.");
+			err("unknown endpoint type in completition handler.");
 			return;
 	}
 	usb_submit_urb(urb,GFP_ATOMIC);
@@ -228,7 +228,7 @@
 		case USB_ISOC:
 			return usb_isoc_urb_init(stream);
 		default:
-			err("unkown URB-type for data transfer.");
+			err("unknown URB-type for data transfer.");
 			return -EINVAL;
 	}
 }